Home / 118,852.83-178,159.23-74,510.73

Finding the Fourth Proportional to 118,852.83, 178,159.23 and 74,510.73

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Solution

The fourth proportional to 118,852.83, 178,159.23 and 74,510.73 is: 111,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,852.83 : 178,159.23 = 74,510.73 : x
  2. Step 2: Convert to fraction form
    118,852.83/178,159.23 = 74,510.73/x
  3. Step 3: Cross multiply
    118,852.83x = 178,159.23 × 74,510.73
  4. Step 4: Simplify right side
    118,852.83x = 13,274,774,283.54
  5. Step 5: Solve for x
    x = 13,274,774,283.54/118,852.83
  6. Step 6: Final answer
    x = 111,690.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.